A3 Helmet Maximum Head Circumference:56 Starting at one end

Starting at one end

but there’s such a thing as too stiff

Fabric Content: SHELL: 85% Nylon

What's Special: GRIPTON compound stays soft and supple when temperatures drop low

The latest FEA analysis tools

A3 Helmet Maximum Head Circumference:56 Starting at one endHead of the class, A3 leaves nothing to chance by setting the modern standard in protection and fit as demanded by Troy Lee Designs' athletes. Equipped with Mips protection, the co molded EPP EPS design features sixteen vents to optimize airflow making for a helmet that is so comfortable it practically disappears on your head. Co molded EPP and EPS with Mips B Series rotational impact protection Advanced 3 piece shell and 3 Way Magnajust visor for